AWTOOLS 40-Piece Tap and Die Set, Metric M3-M12 and 1/8 inch NPT, Alloy Steel Threading Kit with Wrenches, Pitch Gauge, and Storage Case

Complete hand threading kit for cutting, repairing, and cleaning threads in metal, plastic, and soft materials. The AWTOOLS 40-piece tap and die set covers a wide range of metric coarse and fine threads from M3 to M12, plus 1/8" NPT pipe threads, making it indispensable for automotive, plumbing, and general workshop tasks. Each tap and die is precision-ground from alloy steel for clean, accurate threads and long service life.

Advantages

Alloy steel construction delivers durability and resistance to wear. The set includes three different tap wrenches—standard T-handle, sliding T-handle, and die handle—to suit various access and torque requirements. A screw pitch gauge helps identify unknown thread pitches quickly, while the included screwdriver assists with minor adjustments. The organized blow-molded case keeps all 40 pieces secure and easy to transport.

Suitable for

• Professional mechanics and machinists
• DIY enthusiasts and home workshops
• Thread repair on automotive parts, bolts, and nuts
• Creating new threads in metal, plastic, and soft alloys
• Cleaning and restoring damaged or corroded threads

Key specifications

• Number of pieces: 40
• Material: Alloy steel
• Thread standards: Metric (M), National Pipe Taper (NPT)
• Metric tap and die sizes: M3x0.5, M3x0.6, M4x0.7, M4x0.75, M5x0.8, M5x0.9, M6x0.75, M6x1.0, M7x0.75, M7x1.0, M8x1.0, M8x1.25, M10x1.25, M10x1.5, M12x1.5, M12x1.75
• NPT tap and die size: 1/8" NPT-27
• Included tools: 1x tap wrench, 1x die handle, 1x T-handle tap wrench, 1x screw pitch gauge, 1x screwdriver
• Case type: Plastic storage case
• Application: Thread cutting, thread repair, thread cleaning
• Thread direction: Right-hand
• Finish: Bright/uncoated

Recommendations

For best results, use cutting oil when threading metals and back off periodically to break chips. Always start with the taper tap for through holes and finish with the plug tap for blind holes. Keep the set clean and lightly oiled after use to prevent corrosion.